The Lezyne Pocket Drive HV is an efficient, light-weight and incredibly compact hand pump featuring impressive pumping efficiency for mountain bikes and other large tire applications. Made from CNC-machined aluminum with a handle that's lightly knurled for slip-resistance when pumping. Thanks to the overlapping handle and integrated ABS flex hose that fits both presta and schrader valves, the Pocket Drive offers an amazing amount of performance and versatility for its size.